There are specialized software tools designed to read the memory map of DirectLogic PLCs and extract the password hex code. These tools usually communicate via the RS-232/RS-422 ports.
Once you regain access, implement a strategy to ensure it doesn't happen again: koyo plc password unlock
Always keep an unprotected .PRG backup file on a secure server. There are specialized software tools designed to read
If you have the password but it isn't working, ensure you are using the correct version of DirectSOFT . Sometimes communication errors are mistaken for password failures. Method 2: The "Total Clear" (Factory Reset) koyo plc password unlock